Lab Flasks

The Sibata Glass Stopper is lightweight yet very strong to reduce chipping and breakage. It meets ASTM E-675 specifications.

Single-neck flask with a Standard Taper outer joint at top Heavy wall Manufactured from 33 expansion, low extractable borosilicate glass conforming to USP Type I and ASTM E438, Type I, Class A requirements

Toughness and transparency of polycarbonate with the utility of screw closures Use for preparation and storage of culture media and many culturing techniques Safer than glass flasks for use in shakers Closures are linerless, polypropylene non-contaminating Flasks and closures are autoclavable, but...

HEAVY WALL single neck flask with a standard taper outer joint. Low profile design allows the flask to sit upright on the bench and also permits easy access of products with a spatula or policeman. The flask contour is excellent for controlled evaporation of foaming solvents during rotary...

The Bellco Glass carrier tray is crafted to securely accommodate up to eight 500 mL Erlenmeyer flasks. Constructed from durable materials, it provides stability and ease of transport within lab environments. Its compact design allows for efficient use of space while ensuring the safety of the...

Borosil® Amber Light Blocking Class A Volumetric Flasks are individually calibrated by automatic, laser-controlled calibration equipment. Supplied with standard taper glass stoppers. Flasks comply with ASTM E-288, Class A. 20mL option is not covered in ASTM. 5mL, 10mL, and 20mL options have a...

Round bottom storage flask which can maintain dry, grease-free and deoxygenated solvent storage for long periods of time. Unique design permits filling of the flask using a 24/40 inlet off of a vacuum line and recovery of the solvent via a cannula or syringe through the valve body.

Globe Glass volumetric flasks are calibrated to meet ASTM tolerance specifications for precise measurement in solution preparation and dilution.  A diamond etched graduation line indicates the calibrated capacity of each measuring flask.  Wide mouth options are available for easier filling...

Buchner filtering flask made of high quality polypropylene. Eisco Labs proudly manufactures its own products, using only the highest grade, raw materials to ensure that they can withstand use in even the toughest laboratory environments Conical shape for spill prevention. Beaded rim Angled side arm...

Boiling, round bottom flasks with ground glass joints. Our boiling flasks are made from low-expansion borosilicate glass. Feature uniform wall thickness for superior mechanical strength and shock resistance. Ideal for boiling, heating and mixing in the laboratory.

Borosil® Bolt Neck Filtering Flasks shape is designed to impart maximum mechanical strength. They are blown in special molds to withstand the demands of the modern laboratory. The neck finish is developed for strength and to ensure a proper stopper fitting. Avail. in 50mL to 20 L capacity. 10L...

High quality glass drain port with PTFE open/close valve for Ai 3L, 5L, 10L, 20L receiving flasks. Glass material: high borosilicate glass 3.3

Featuring a center neck and three side necks with full length outer Standard Taper joints, this borosilicate glass 4-neck reaction vessel lid/cover has a flat flange. Use LG-7316 clamps. NOTE: LG-8087 is designed to be used with LG-8080, LG-8084, LG-8085, and LG-8089 cylindrical reaction vessels.

Made of high quality, heavy duty Borosilicate glass Narrow neck, flat bottom, beaded rim. Perfect for any science or home laboratory Florence boiling flask made out of high quality, heavy duty borosilicate glass. Narrow neck, beaded rim and flat bottom. No stopper included. Autoclavable, with...

500mL Flask, 24/40 Top, 19/22 Bottom

KIMAX flask with a graduation ring blasted through a vertical stripe on the neck. Contrast between the blasted line and the deep amber background provides legibility without coloring of the graduation line. Calibrated to contain.  ground glass stopper is supplied with the flask. Designed from...

FlowTainer™ Erlenmeyer flasks are the optimal choice for ease of use and versatility in your cell culture and microbial fermentation workflows. Available in various sizes, our disposable culture flasks offer exceptional gas exchange properties for optimal cell growth. FlowTainer™...

Apparatus for a wide range of organic chemistry experiments at a lower price than purchasing the components separately WHEATON standard taper Clear-Seal grease-free joints provide smooth, unground surfaces, which seal without grease and reduce seizing and contamination from grease Clear-Seal joints...

Manufactured from Type 1, Class A, Borosilicate and ideal for all culture and media preparation/storage purposes Supplied with GL45 blue polypropylene linerless screw caps and pouring rings and graduated to approximate volumes

Crafted by Pope Scientific, this Low Form, Cylindrical Dewar Flask meets a high standard of excellence for all your laboratory needs. The flask is meticulously designed to minimize heat transfer, ensuring substances remain at low temperatures for extended periods. Its unique low form, cylindrical...

Volumetric Flask made of high quality, heavy duty, 3.3 borosilicate glass Class A tolerance complies with ISO 1042 standards Features a single graduation mark for precise dilution and preparation Ground glass socket fitted with a chemical resistant polyethylene stopper. > Volumetric Flask made of...

With its thick glass walls and sturdy construction, this 10L bottle/flask is perfect for filtering large volumes of liquid. The thick walls and design enables this flask to withstand vacuum filtration without imploding. Graduated in 1000mL increments on a scale from 2000mL to 8000mL with an accuracy...

For series 4510, 4512, and 4514 spinner flasks when coupled to a direct drive motor. Paddle assemblies will couple to 100 mm and 120 mm cap assemblies.

Wide neck easily accommodates a 50 mL pipet Superior strength, durability and heavy uniform walls ensure safety in the lab Flat interior bottoms are ideal for stirring These KimCote® volumetric flasks are graduated to Class A volumetric tolerances and are designed from ASTM Specification E288....